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How to restrict inbound and outbound internet e-mail traffic from and to active directory group

Posted on 2008-09-29
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Last Modified: 2011-10-19
We pretend to allow only a list of inbound/outbound emails address to an Active Directory Group.

It's factible in a Exchange 2003 scenario?

user@mydomain.com will permit only e-mails from user@partner.com, user@partner2.com
user@mydomain.com will send e-mails only to user@partner.com, user@partner2.com

This users are grouped in Active directory.  The contacts of partners exists in AD

any suggestion?

BADBOY
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Question by:bad3000
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4 Comments
 
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Assisted Solution

by:robrandon
robrandon earned 160 total points
ID: 22597647
On the Exchange General tab for the DL and Contacts you can set which accounts it can receive from.  Just add such accounts to that listbox.

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by:bad3000
ID: 22601353
I've set as is shown in the attached file
It started to work for inbound email after MSExchangeSA service was restarted.

But how i tell Exchange to send email only to a list, there is no setting here to "Deliver only to"

thnks
exchange-user.jpg
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LVL 16

Assisted Solution

by:robrandon
robrandon earned 160 total points
ID: 22605594
So you want to setup an account that can only send to particular addresses?  I'm not sure that is possible.

I thought you were trying to restrict the sending to a DL and to Contacts.  Both, the DL and the Contacts will have the properties window in your screenshot so you can restrict who can send to them.

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Accepted Solution

by:
bad3000 earned 0 total points
ID: 22650988
For Outbound filtering:
- We set a Outbound Rule in the gateway antispam server (Symantec Mail Security for SMTP)
- We apply the action of delete the message when it came from "Restricted Outbound Users" LDAP Group in sync with AD GC
- We set a exception when Recipient Envelope has one of the authorized domains
- It cannot be set user by user, but the outbound rule applies for any LDAP group, so i can restrict some groups with only one member.
- I can apply authorized domains o specific e-mail addresses for any LDAP Group

For Inbound Filtering:
robrandon and the suggestion stated was perfect.
- we also need to permit internal mails and some external contacts only so we cannot mark "Authenticated Users Only"
- we created a Exchange Query Based Group with all internal users in a LDAP Query and we added it to the dialog box "only from"

that's all

BADBOY
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